Alkaline phosphatase activity in control and induced osteogenic differentiation samples. Significant statistical difference (*) at the 95% level between control and induced was found at 5, 10, 15 and 20 minutes with p-values of < 0.001 at each time point. No difference was present at time 0 (p = 0.1418).
Koch et al. BMC Biotechnology 2007 7:26 doi:10.1186/1472-6750-7-26